The Roman Catholic Diocese of Yokadouma (Latin: Yokaduman(a)) is a suffragan Latin diocese in the ecclesiastical province of the Metropolitan of Bertoua in Eastern Cameroon, yet depends on the missionary Roman Congregation for the Evangelization of Peoples.
Its cathedral episcopal see is Cathédrale Marie Reine de la Paix, dedicated to Our Lady Queen of Peace, in the city of Yokadouma.